Question

questions :
1. State Mendeleev’s periodic law. Describe two anomalies of Mendeleev's periodic classificati
of elements.
W1:​

Answer 1

Answer:

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Explanation:

The law that the properties of the elements are periodic functions of their atomic numbers. Also called Mendeleev's law. (originally) the statement that the chemical and physical properties of the elements recur periodically when the elements are arranged in the order of their atomic weights.

Anomalies of Mendeleev's periodic classification of elements: ... So, the isotopes of the same element should be given different place in periodic table as Mendeleev's periodic table was arranged in increasing order of their atomic masses. However, isotopes were not given separate place in his periodic table. 2

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